CN101198541B - Fork of a lifting device and lifting device - Google Patents
Fork of a lifting device and lifting device Download PDFInfo
- Publication number
- CN101198541B CN101198541B CN2006800191089A CN200680019108A CN101198541B CN 101198541 B CN101198541 B CN 101198541B CN 2006800191089 A CN2006800191089 A CN 2006800191089A CN 200680019108 A CN200680019108 A CN 200680019108A CN 101198541 B CN101198541 B CN 101198541B
- Authority
- CN
- China
- Prior art keywords
- bracket portion
- slipper
- shovel fork
- fork
- shovel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/12—Platforms; Forks; Other load supporting or gripping members
- B66F9/122—Platforms; Forks; Other load supporting or gripping members longitudinally movable
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The invention relates to a fork (l) of a lifting device, such as a forklift truck. The fork comprises a carrier part (2) with a proximal side (4) where the carrier part is connected to the lifting device m the situation of use, and a distal side which is remote from the lifting device in the situation of use. The fork also comprises a sliding part (5) which is displaceable m a direction running between the proximal side and the distal side, and which sliding part is connected to the carrier part. The fork also comprises a drive (6, 7, 8) between the carrier part and the sliding part for selectively lengthening and/or shortening the fork, wherein the drive comprises an electric motor (8) and the transmission comprises a slip coupling (13).
Description
Technical field
The present invention relates to a kind of shovel fork and bont of the bont such as forklift, and relate to the bont that itself is equipped with shovel fork like this.
Background technology
The shovel fork that so is used for bont is known, for example, knows also that from DE-A-196.44.557 these shovel forks use electrical motor and extendible characteristic.In relevant technical field, these shovel forks also are known as exsertile shovel fork.It can scoop up with load transported and leave the farther distance of bont thus.Actuator is used for realizing the displacement of slipper with respect to bracket portion.Therefore the shovel fork can elongate or shorten selectively.
Utilize in the prior art hydraulic pressure or the compressed-air controlled actuator be quotidian.Yet, equipping so bont especially during forklift, can see a kind of trend, adopt power driven system to equip day by day, in particular for displacement forklift so.The problems of so-called flexible shovel fork have appearred driving here.
Yet, a kind of scheme that addresses this problem has been proposed in DE-A-196.44.557, wherein, actuator comprises electrical motor.Adopt electrical motor just can utilize the different energy, especially battery replaces hydraulic pressure or pneumatic system.Bont especially forklift utilizes electrical motor to drive and advances, and therefore, it also can be equipped with telescopic shovel fork.
Summary of the invention is for overcoming problems of the prior art, the present invention is used for the shovel fork of bont, comprise :-bracket portion, this bracket portion has proximal lateral and distal side, wherein in described proximal lateral, described bracket portion is connected to described bont under condition of service, described distal side under condition of service away from described bont;-slipper, this slipper can be along the direction displacement of extending between described proximal lateral and described distal side, and this slipper is connected to described bracket portion; And-actuator, this actuator is used for extending selectively and/or shortens described shovel fork between described bracket portion and described slipper, and wherein, described actuator comprises electrical motor; Wherein, bracket portion comprises between its proximal lateral and distal side and is used for described electrical motor is contained in wherein recess.
According to the present invention, bracket portion comprises between its proximal lateral and distal side and is used for holding electrical motor in recess wherein.According to a preferred embodiment of the present invention, electrical motor is arranged on a certain distance from the proximal lateral of bracket portion.Therefore can use electrical motor, and this does not cause the weakening of bracket portion proximal lateral, especially (but not exclusively) this extension is the factor of being correlated with in the following time that suspends or directly suspend from roofbolt or forklift from shovel fork plate when this proximal lateral is provided with extension.Add ground or alternatively, electrical motor also can be controlled certainly, especially individually carry out Kai Heguan.
In another embodiment of the present invention, driving device comprises sliding connector.From can prevent thus that electrical motor from burning or the meaning of transshipping on, do favourable especially like this.When bont or especially forklift are at a stop order shovel fork against wall or other obstacle and require in the shovel fork stretches, this moment, electrical motor placed motion, if do not take the measure such as sliding connector is provided, then so situation will take place.In order to prevent electromotor overload this moment, sliding connector provides the rotation of electrical motor or other motion, and the rotation of electrical motor is not delivered to slipper, has realized the safety of shovel fork actv. thus.
Actuator preferably comprises driving device, and it can be planetary reducer especially.Suitable transmitting ratio becomes possibility with effective and efficient manner thus, and this can use light relatively electrical motor.Light electrical motor especially can be little form, and like this, it occupies in the shovel fork hardly or shovels any space at fork place, and in the time of especially in electrical motor is contained in the shovel fork, it does not occupy the place that relates to shovel fork thickness.See that on meaning of the present invention this is the most recommendable way, because the shovel fork comprises the parts of vertical orientation and the parts that are used as the horizontal orientation of bracket portion usually usually in the installation site.Be combined in electrical motor in the bracket portion or the bracket part office, can prevent the distance that shovel fork zone that electrical motor and electrical motor must practical operations does not become very big away from each other.With regard to the distance that needs for this purpose to cross over, therefore driving device can keep very short and needn't use helical wheel or similar parts, and such parts are removed effort and also very not solid, and they also occupy many spaces.
In a preferred embodiment, according to shovel according to the present invention fork comprise the threaded shaft that is connected to electrical motor and with the combination of this threaded shaft ingear nut.Each is connected to cooresponding carriage and slipper respectively electrical motor (or connected threaded shaft) and nut.Therefore also can realize the slide displacement of slipper practically with respect to bracket portion.
According to one embodiment of the invention, the shovel fork comprises the blocking device that can move selectively between bracket portion and slipper, and on the go, this blocking device block the motion of slipper with respect to bracket portion.Have found that in some embodiment that has as the shovel fork of the electrical motor of actuator, slipper may drive and be not driven device in some cases in unfavorable mode on bracket portion or along the bracket portion compressing.This situation be because a shovel fork like this according to the present invention also can successfully move (stretch and shrink) then.Blocking device can provide a solution to prevent this from occurring here.This blocking device can be engaged on the driver element selectively, and this element passes through actuator and setting in motion in the actuating state of actuator.By blocking this driver element, can prevent N/R withdrawal of shovel fork and stretching routine effectively.In an embodiment like this, because threaded shaft makes driver element can comprise nut.Very compactness and simple configuration have been realized thus.In having one embodiment of the invention of blocking device, this blocking device can also be normal action type, and in the actuator actuating state, blocking device can enter in the pattern that allows motion.At least in the actuator inoperation or when beginning to operate, therefore the shovel fork always gets clogged, and therefore just operation can guarantee to shovel fork reliability highly.
In addition, according to another aspect of the present invention, a kind of bont comprises that at least one framework and at least one are arranged on the aforesaid shovel fork on the described framework.
Description of drawings
To describe according to the embodiment of shovel fork of the present invention and the embodiment of the bont that comprises the shovel fork according to accompanying drawing below.Accompanying drawing shows a kind of possible embodiment, and just as the dependent claims book, it is unrestriced that embodiment must be considered to.In the various views of different embodiments of the invention in the accompanying drawings, identical or like parts is represented with identical Reference numeral with parts.In the accompanying drawings:
Fig. 1 illustrates the block diagram according to the decomposition of shovel fork of the present invention;
Fig. 2 is the block diagram of biopsy cavity marker devices that is in the shovel fork of Fig. 1 in the serviceability;
Fig. 3 is the detail drawing according to shovel fork of the present invention shown in Fig. 1 and 2;
Fig. 4 be according to the embodiment of shovel of the present invention fork with the cooresponding view of Fig. 1, wherein implement a blocking device;
Fig. 5 A and 5B are the block diagrams of the blocking device shown in Fig. 4; And
Fig. 6 A and 6B are the birds-eye vieies that is in two kinds of blocking devices shown in the Fig. 4 in the serviceability.
The specific embodiment
Fig. 1 illustrates the shovel fork 1 possible, unrestriced embodiment as the present invention.This shovel fork represents with Reference numeral 1, and in Fig. 2, also be shown as operation, the stack-mounted state.
Shovel fork 1 comprises bracket portion 2, and this bracket portion has the parts 3 of along continuous straight runs extension basically and the parts 4 that vertically extend basically.
Fig. 3 illustrates the detail drawing of the part of pointing out according to the III among shovel fork 1 usefulness Fig. 2 of the present invention.
In Fig. 3, electrical motor 8 is shown is placed in the housing 9, housing 9 is contained in the alcove 10, and recess 11 also is connected to this alcove, and threaded shaft 7 is contained in the recess 11.Nut 6 also is arranged in the recess 11 together with threaded shaft 7, and this nut 6 moves in recess 11 along the double-head arrow A direction among Fig. 2.Being attached to the following of nut 6 among Fig. 3 is band 12, and it is connected to nut 6 slipper 5 of shovel fork 1.Therefore, situation is such: because the effect of electrical motor 8 when rotating around its longitudinal axis, nut 6 is along the double-head arrow A direction displacement among Fig. 2 when threaded shaft 7, wherein, because these parts are connected to each other slipper 5 and together displacement of nut 6 with band 12.
Being arranged in addition between electrical motor 8 and the threaded shaft 7 is several parts, and they are used in shovel fork indentation and stretch out further improving shovel in the process and pitching 1 operation.Therefore, provide the sliding connector 13 that is directly connected to electrical motor 8.See that from electrical motor 8 sliding connector 13 is to guide first parts that threaded shaft 7 is used for driving its sequence into.Sliding connector 13 is guaranteed: even the displacement of slipper 5 or motion get clogged, electrical motor 8 is also rotatable, so electrical motor 8 can not burn under these circumstances.
Threaded shaft 7 has outer end 14, and this outer end has hexagonal periphery form, and the unitor 15 that is connected to electrical motor by sliding connector 13 is engaged on the hexagon periphery.
The housing 9 of electrical motor 8 also has aligning apparatus 16, and it comprises two pressure bearings 17, and wherein, pressure bearing 17 is by means of being held in place in two lock nut 18 on the side and another lock nut 19 on the opposite side.Lock nut 19 also is formed for stopping of nut 6, so that form the extreme displaced position of nut 6 or the restriction of motion.
What it should be noted that is, measures the distance of actual displacement or even allows the control of shovel fork be favourable based on this.Measuring system can be compared and be designed in the mode of linear potentiometer, especially when using the combination of threaded shaft 7 and nut 6.
Power supply to the electrical motor supply can shovel the battery that fork is interior or shovel is stuck but alternatively also can adopt by realizing along the cable that shovels fork plate trend.Especially can be with battery integrated or be installed at least in the vertical member 4 of shovel fork.
Fig. 4 is the view that is similar to Fig. 1, regards another embodiment of the blocking device 20 with interpolation as.This blocking device comprises the housing 21 that is fixed on the slipper.Nut 6 is wrapped in the housing 21, as illustrated in Figures 5 and 6, makes its conditional gap.
In Fig. 5, housing dissectd at top place in case clearly illustrate wherein as the nut 6 of driver element and other parts.Plate 22 is arranged on the nut 6, and this plate laterally or radially extends with respect to threaded shaft 7.The plate 22 here protrudes in the housing, with respect to the breach 25 between two Shaft assemblies on housing 21 each side a gap is arranged, and wherein, each Shaft assembly comprises two axles 23, and two axles 23 in each Shaft assembly are connected to each other by means of O shape ring 24.Housing comprises in its side surface and is used for admitting axle 23 in recess 26 wherein that these directions along breach that form surface 27 are outwards moved towards.
Fig. 6 A illustrates the different operation mode of blocking device with 6B.Fig. 6 A shows the dead position of blocking device.Threaded shaft 7 transfixions.Axle 23 Shaft assembly is centered on the plate 22 and with respect to inclined-plane 27 balances.When threaded shaft 7 began to rotate then, plate 22 became in company with 6 on nut around threaded shaft 7 and is arranged in the position shown in Fig. 6 B, against the wall of the housing 21 that forms breach.Axle 23 bottoms shown in Fig. 6 B of two Shaft assemblies are here toward pressing down among the figure, on this side of housing, can finish or prevent that housing wedging or obstruction are resisted against (see figure 4) on the inwall 28 of bracket portion 2.On the housing top side in the drawings, axle 23 the top of Shaft assembly is not clamped between inwall 28 and the inclined-plane 27, because the inclined-plane is with the moving velocity common displacement identical with axle 23.Therefore, when threaded shaft 7 was driven, housing 21 was realized displacement thus, blocking device 20 shut-down operations.
On the contrary, when masterpiece is used on the slipper 5, this slipper will be tending towards along the force direction displacement.This does not wish to take place, because this can cause electrical motor 8 to damage.Reason provides blocking device 21 for this reason.When slipper was tending towards displacement, housing 21 was with common displacement thus.To be tending towards the direction that begins to move according to slipper 5 and housing thus 21, the top of the Shaft assembly on the housing either side or lower shaft 23 will become and be clamped between the inwall 28 of inclined-plane 27 and bracket portion 2 in the mode of blocking.This blocking device is an actv., almost is not driven when moving at the beginning, and is in fact like this all the time, unless driver drives motion, but the obstruction of this unblocking device 21.
The housing of blocking device 21 is installed on the slipper 5.Threaded shaft 7 is installed in the bracket portion 2 of shovel fork 1.Slipper 5 moves by the rotation of threaded shaft 7.This guarantees to be installed in, and nuts 6 in the housing 21 of blocking device 20 move to left and the right and carrying slipper 5.If external force acts on the slipper 5, then housing 21 moves and becomes and fixes immediately, because move on the axle 23 against living inclined-plane 27.Blocking device 20 moves immediately.If threaded shaft 7 moves heavily again now, then the plate 22 on the nut 6 is guaranteed to push down axle 23 and is broken away from closed position.O shape ring 24 is guaranteed: when being in when static, axle 23 is pressed against on the inclined-plane 27 all the time.Therefore, unless by the motion of threaded shaft 7 plate 22 on the nut 6 is moved and unblocking and release, slipper 5 blocks to live all the time.
Read after the above description; those skilled in the art will expect many alternative and additional embodiments; all these embodiment that substitute should think as the various possibilities within the described protection domain of the present invention of attached claims, unless these embodiment have broken away from the letter or the spirit of these claims.Therefore, within the scope of the invention, can utilize such slipper, itself is not fitted to around the parts of the sleeve-like of bracket portion, but need only partly center on the bracket portion setting, particularly in order to save the space on shovel fork 1 short transverse.Also a plurality of electrical motors can be set, for example, be provided with one on each side of the horizontal orientation parts of bracket portion 2, can produce bigger power thus.This also will influence the power supply supply certainly, and the size of power supply must can drive the electrical motor of a greater number thus.The horizontal part 3 of the configuration of electrical motor and slipper 2 certainly also can be conversely, wherein, electrical motor 3 can be positioned at the bracket portion 2 that vertically extends parts 4 near.Yet this needs to revise production process really, compares to the interior alcove 10 of outer free end of bracket portion 2 as shown in Figures 2 and 3, and the modification of production process is difficult to realize more.
Claims (16)
1. be used for the shovel fork of bont, comprise:
-bracket portion, this bracket portion have that described bracket portion is connected to the proximal lateral of described bont part and away from the distal side of described bont;
-slipper, this slipper can be along the direction displacement of extending between described proximal lateral and described distal side, and this slipper is connected to described bracket portion; And
-actuator, this actuator are used for extending selectively and/or shorten described shovel fork between described bracket portion and described slipper, and wherein, described actuator comprises electrical motor,
It is characterized in that,
Described bracket portion comprises recess between its described proximal lateral and described distal side, described electrical motor is contained in the described recess.
2. shovel fork as claimed in claim 1 is characterized in that described bracket portion is used to be installed in bont at the extension that comprises on its described proximal lateral on its described proximal lateral.
3. shovel fork as claimed in claim 1 is characterized in that described actuator also comprises driving device.
4. shovel fork as claimed in claim 3 is characterized in that described driving device comprises planetary reducer.
5. shovel fork as claimed in claim 3 is characterized in that described driving device comprises sliding connector.
6. shovel fork as claimed in claim 1, it is characterized in that, also comprise the combination of threaded shaft and nut, this threaded shaft is connected to electrical motor, and this nut and described threaded shaft engagement and being connected in described bracket portion and the described slipper one, described electrical motor is connected in described bracket portion and the described slipper another.
7. shovel fork as claimed in claim 1, it is characterized in that, also comprise: measure and/or control setup, this measurement and/or control setup are used to measure described slipper and control described shovel fork with respect to the degree of displacement of described bracket portion and/or according to the described degree of displacement of described bracket portion.
8. shovel fork as claimed in claim 1 is characterized in that described slipper is with respect to the displacement of described bracket portion telescopically.
9. shovel fork as claimed in claim 1 is characterized in that described bracket portion comprises a part that the is connected to described slipper extension at angle with respect to described bracket portion on its described proximal lateral, so that be installed on the bont.
10. shovel fork as claimed in claim 1, it is characterized in that, also comprise the blocking device that moves selectively between described bracket portion and described slipper, on the go, this blocking device block the motion of described slipper with respect to described bracket portion.
11. shovel fork as claimed in claim 10 is characterized in that described blocking device is engaged on the driver element, in the actuating state of described actuator, described actuator makes described driver element setting in motion.
12. shovel fork as claimed in claim 11 is characterized in that described driver element comprises nut.
13. as claim 10,11 or 12 described shovel forks, it is characterized in that described blocking device is normal action type, in described actuator actuating state, described blocking device enters the pattern that allows the described relatively bracket portion motion of described slipper.
14. shovel fork as claimed in claim 1 is characterized in that described bont is a forklift.
15. a bont, this bont comprise that at least one framework and at least one are arranged on pitching as any one described shovel among the claim 1-13 on the described framework.
16. bont as claimed in claim 15 is characterized in that, described bont is a forklift.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL1029152A NL1029152C2 (en) | 2005-05-31 | 2005-05-31 | Fork for forklift truck, has carrier part connected to lifting device, blocking between carrier and sliding parts are energized, and engages on drive component is set into motion by drive in activated state of drive |
| NL1029152 | 2005-05-31 | ||
| NL1030776 | 2005-12-23 | ||
| NL1030776A NL1030776C2 (en) | 2005-05-31 | 2005-12-23 | Fork of a lifting device. |
| PCT/NL2006/000268 WO2006130003A1 (en) | 2005-05-31 | 2006-05-26 | Fork of a lifting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101198541A CN101198541A (en) | 2008-06-11 |
| CN101198541B true CN101198541B (en) | 2010-05-19 |
Family
ID=35618963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006800191089A Expired - Fee Related CN101198541B (en) | 2005-05-31 | 2006-05-26 | Fork of a lifting device and lifting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101198541B (en) |
| NL (1) | NL1029152C2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102659057A (en) * | 2012-04-28 | 2012-09-12 | 辽宁省电力有限公司抚顺供电公司 | Tray-type hand-pushed forklift |
| CN107651618B (en) * | 2017-10-10 | 2019-06-11 | 泰州市辉烽常盛机械设备有限公司 | A kind of fork truck for logistics transportation |
| CN109703653B (en) * | 2019-02-14 | 2021-10-26 | 安徽宇锋智能科技有限公司 | AGV transfer robot with fork tooth function of stretching out and drawing back |
| CN112551445A (en) * | 2020-12-28 | 2021-03-26 | 湖州南浔军友叉车有限公司 | Extensible forklift fork |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1319675A (en) * | 1969-10-29 | 1973-06-06 | Hiab Foco Ab | Loading tool having a loading fork |
| US5011363A (en) * | 1989-12-05 | 1991-04-30 | Crown Equipment Corporation | Extend and retract control for fork lifts |
| DE19644557C1 (en) * | 1996-10-26 | 1998-02-26 | Vetter Umformtechnik Gmbh | Fork prong for hand-or motor-driven fork lift truck |
| CN1295534A (en) * | 1998-04-01 | 2001-05-16 | 德洛伦·E·安德森 | Multi-tine lifting implement |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19644556C1 (en) * | 1996-10-26 | 1998-02-26 | Vetter Umformtechnik Gmbh | Fork prong for fork lift truck, either hand-or motor-propelled |
| DE19644558C1 (en) * | 1996-10-26 | 1998-02-26 | Vetter Umformtechnik Gmbh | Fork spring for fork lift truck, either hand or motor-driven |
-
2005
- 2005-05-31 NL NL1029152A patent/NL1029152C2/en not_active IP Right Cessation
-
2006
- 2006-05-26 CN CN2006800191089A patent/CN101198541B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1319675A (en) * | 1969-10-29 | 1973-06-06 | Hiab Foco Ab | Loading tool having a loading fork |
| US5011363A (en) * | 1989-12-05 | 1991-04-30 | Crown Equipment Corporation | Extend and retract control for fork lifts |
| DE19644557C1 (en) * | 1996-10-26 | 1998-02-26 | Vetter Umformtechnik Gmbh | Fork prong for hand-or motor-driven fork lift truck |
| CN1295534A (en) * | 1998-04-01 | 2001-05-16 | 德洛伦·E·安德森 | Multi-tine lifting implement |
Also Published As
| Publication number | Publication date |
|---|---|
| NL1029152C2 (en) | 2006-12-04 |
| CN101198541A (en) | 2008-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1896357B1 (en) | Fork of a lifting device | |
| US5954143A (en) | Remote controlled all-terrain drill unit | |
| US20040173408A1 (en) | Industrial truck with a battery block located on a roller conveyor | |
| CN101198541B (en) | Fork of a lifting device and lifting device | |
| US7819262B1 (en) | Apparatus for covering semitrailer payloads | |
| KR100537369B1 (en) | That is indoor work excavator that use electricity | |
| CN103148314B (en) | Pipeline walking robot | |
| US10329858B1 (en) | Coiled tubing unit | |
| CN103079987A (en) | Winch | |
| CN103162060B (en) | Steering mechanism of pipeline walking robot | |
| CN214393105U (en) | Installation tool for end pin shaft of cylinder barrel of oil cylinder extending leftwards and rightwards of crawler-type chassis | |
| CN104045030A (en) | Systems And Methods For Electric Controlled Reach Carriage | |
| CN103449320A (en) | Double-station hoisting equipment | |
| FI97882C (en) | Crane for material handling | |
| CN101219516B (en) | Pulling type drive shaft-fitting jig assembly | |
| DE102006059774B4 (en) | Soil Compactor | |
| EP3242830B1 (en) | Lifting transportation device combination | |
| ITMI950592U1 (en) | UNLOADING MACHINE | |
| CN103397854B (en) | A kind of coiled tubing unit door type derrick | |
| CN105035269A (en) | Cable arranging device | |
| CN210480740U (en) | AGV car lifting device | |
| CN105274950A (en) | Environment-protecting sweeping vehicle for highway | |
| CN109747546A (en) | Vehicle foot pedal apparatus and electric treadle control method | |
| CN220602194U (en) | Automatic charge level treatment equipment of submerged arc furnace | |
| CN204422212U (en) | A kind of vehicle carried type vehicle protection load testing machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100519 Termination date: 20130526 |